1 //===-- hwasan_interface_internal.h -----------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file is a part of HWAddressSanitizer.
10 //
11 // Private Hwasan interface header.
12 //===----------------------------------------------------------------------===//
13
14 #ifndef HWASAN_INTERFACE_INTERNAL_H
15 #define HWASAN_INTERFACE_INTERNAL_H
16
17 #include "sanitizer_common/sanitizer_internal_defs.h"
18 #include "sanitizer_common/sanitizer_platform_limits_posix.h"
19 #include <link.h>
20
21 extern "C" {
22
23 SANITIZER_INTERFACE_ATTRIBUTE
24 void __hwasan_init_static();
25
26 SANITIZER_INTERFACE_ATTRIBUTE
27 void __hwasan_init();
28
29 SANITIZER_INTERFACE_ATTRIBUTE
30 void __hwasan_library_loaded(ElfW(Addr) base, const ElfW(Phdr) * phdr,
31 ElfW(Half) phnum);
32
33 SANITIZER_INTERFACE_ATTRIBUTE
34 void __hwasan_library_unloaded(ElfW(Addr) base, const ElfW(Phdr) * phdr,
35 ElfW(Half) phnum);
36
37 using __sanitizer::uptr;
38 using __sanitizer::sptr;
39 using __sanitizer::uu64;
40 using __sanitizer::uu32;
41 using __sanitizer::uu16;
42 using __sanitizer::u64;
43 using __sanitizer::u32;
44 using __sanitizer::u16;
45 using __sanitizer::u8;
46
47 SANITIZER_INTERFACE_ATTRIBUTE
48 void __hwasan_init_frames(uptr, uptr);
49
50 SANITIZER_INTERFACE_ATTRIBUTE
51 extern uptr __hwasan_shadow_memory_dynamic_address;
52
53 SANITIZER_INTERFACE_ATTRIBUTE
54 void __hwasan_loadN(uptr, uptr);
55 SANITIZER_INTERFACE_ATTRIBUTE
56 void __hwasan_load1(uptr);
57 SANITIZER_INTERFACE_ATTRIBUTE
58 void __hwasan_load2(uptr);
59 SANITIZER_INTERFACE_ATTRIBUTE
60 void __hwasan_load4(uptr);
61 SANITIZER_INTERFACE_ATTRIBUTE
62 void __hwasan_load8(uptr);
63 SANITIZER_INTERFACE_ATTRIBUTE
64 void __hwasan_load16(uptr);
65
66 SANITIZER_INTERFACE_ATTRIBUTE
67 void __hwasan_loadN_noabort(uptr, uptr);
68 SANITIZER_INTERFACE_ATTRIBUTE
69 void __hwasan_load1_noabort(uptr);
70 SANITIZER_INTERFACE_ATTRIBUTE
71 void __hwasan_load2_noabort(uptr);
72 SANITIZER_INTERFACE_ATTRIBUTE
73 void __hwasan_load4_noabort(uptr);
74 SANITIZER_INTERFACE_ATTRIBUTE
75 void __hwasan_load8_noabort(uptr);
76 SANITIZER_INTERFACE_ATTRIBUTE
77 void __hwasan_load16_noabort(uptr);
78
79 SANITIZER_INTERFACE_ATTRIBUTE
80 void __hwasan_storeN(uptr, uptr);
81 SANITIZER_INTERFACE_ATTRIBUTE
82 void __hwasan_store1(uptr);
83 SANITIZER_INTERFACE_ATTRIBUTE
84 void __hwasan_store2(uptr);
85 SANITIZER_INTERFACE_ATTRIBUTE
86 void __hwasan_store4(uptr);
87 SANITIZER_INTERFACE_ATTRIBUTE
88 void __hwasan_store8(uptr);
89 SANITIZER_INTERFACE_ATTRIBUTE
90 void __hwasan_store16(uptr);
91
92 SANITIZER_INTERFACE_ATTRIBUTE
93 void __hwasan_storeN_noabort(uptr, uptr);
94 SANITIZER_INTERFACE_ATTRIBUTE
95 void __hwasan_store1_noabort(uptr);
96 SANITIZER_INTERFACE_ATTRIBUTE
97 void __hwasan_store2_noabort(uptr);
98 SANITIZER_INTERFACE_ATTRIBUTE
99 void __hwasan_store4_noabort(uptr);
100 SANITIZER_INTERFACE_ATTRIBUTE
101 void __hwasan_store8_noabort(uptr);
102 SANITIZER_INTERFACE_ATTRIBUTE
103 void __hwasan_store16_noabort(uptr);
104
105 SANITIZER_INTERFACE_ATTRIBUTE
106 void __hwasan_tag_memory(uptr p, u8 tag, uptr sz);
107
108 SANITIZER_INTERFACE_ATTRIBUTE
109 uptr __hwasan_tag_pointer(uptr p, u8 tag);
110
111 SANITIZER_INTERFACE_ATTRIBUTE
112 void __hwasan_tag_mismatch(uptr addr, u8 ts);
113
114 SANITIZER_INTERFACE_ATTRIBUTE
115 void __hwasan_tag_mismatch4(uptr addr, uptr access_info, uptr *registers_frame,
116 size_t outsize);
117
118 SANITIZER_INTERFACE_ATTRIBUTE
119 u8 __hwasan_generate_tag();
120
121 // Returns the offset of the first tag mismatch or -1 if the whole range is
122 // good.
123 SANITIZER_INTERFACE_ATTRIBUTE
124 sptr __hwasan_test_shadow(const void *x, uptr size);
125
126 SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
127 /* OPTIONAL */ const char* __hwasan_default_options();
128
129 SANITIZER_INTERFACE_ATTRIBUTE
130 void __hwasan_print_shadow(const void *x, uptr size);
131
132 SANITIZER_INTERFACE_ATTRIBUTE
133 void __hwasan_handle_longjmp(const void *sp_dst);
134
135 SANITIZER_INTERFACE_ATTRIBUTE
136 void __hwasan_handle_vfork(const void *sp_dst);
137
138 SANITIZER_INTERFACE_ATTRIBUTE
139 u16 __sanitizer_unaligned_load16(const uu16 *p);
140
141 SANITIZER_INTERFACE_ATTRIBUTE
142 u32 __sanitizer_unaligned_load32(const uu32 *p);
143
144 SANITIZER_INTERFACE_ATTRIBUTE
145 u64 __sanitizer_unaligned_load64(const uu64 *p);
146
147 SANITIZER_INTERFACE_ATTRIBUTE
148 void __sanitizer_unaligned_store16(uu16 *p, u16 x);
149
150 SANITIZER_INTERFACE_ATTRIBUTE
151 void __sanitizer_unaligned_store32(uu32 *p, u32 x);
152
153 SANITIZER_INTERFACE_ATTRIBUTE
154 void __sanitizer_unaligned_store64(uu64 *p, u64 x);
155
156 SANITIZER_INTERFACE_ATTRIBUTE
157 void __hwasan_enable_allocator_tagging();
158
159 SANITIZER_INTERFACE_ATTRIBUTE
160 void __hwasan_disable_allocator_tagging();
161
162 SANITIZER_INTERFACE_ATTRIBUTE
163 void __hwasan_thread_enter();
164
165 SANITIZER_INTERFACE_ATTRIBUTE
166 void __hwasan_thread_exit();
167
168 SANITIZER_INTERFACE_ATTRIBUTE
169 void __hwasan_print_memory_usage();
170
171 // The compiler will generate this when
172 // `-hwasan-record-stack-history-with-calls` is added as a flag, which will add
173 // frame record information to the stack ring buffer. This is an alternative to
174 // the compiler emitting instructions in the prologue for doing the same thing
175 // by accessing the ring buffer directly.
176 SANITIZER_INTERFACE_ATTRIBUTE
177 void __hwasan_add_frame_record(u64 frame_record_info);
178
179 SANITIZER_INTERFACE_ATTRIBUTE
180 void *__hwasan_memcpy(void *dst, const void *src, uptr size);
181 SANITIZER_INTERFACE_ATTRIBUTE
182 void *__hwasan_memset(void *s, int c, uptr n);
183 SANITIZER_INTERFACE_ATTRIBUTE
184 void *__hwasan_memmove(void *dest, const void *src, uptr n);
185
186 SANITIZER_INTERFACE_ATTRIBUTE
187 void __hwasan_set_error_report_callback(void (*callback)(const char *));
188 } // extern "C"
189
190 #endif // HWASAN_INTERFACE_INTERNAL_H